/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.common.guava;

import java.util.concurrent.Callable;

/**
 */
public abstract class ThreadRenamingCallable<T> implements Callable<T>
{
  private final String name;

  public ThreadRenamingCallable(
      String name
  )
  {
    this.name = name;
  }

  @Override
  public final T call()
  {
    final Thread currThread = Thread.currentThread();
    String currName = currThread.getName();
    try {
      currThread.setName(name);
      return doCall();
    }
    finally {
      currThread.setName(currName);
    }
  }

  public abstract T doCall();
}
